Round|Lab Grown|GIA

1.73ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 3475370229

Certificate GIA 3475370229

Diamond specifications and retailer prices

From €346 EUR
$386 USD
As of October 29, 2026
Save €1,401 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,542 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3475370229. Listed at 16 retailers as of October 29, 2026, with a 405% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.73
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 3475370229
Dimensions7.68 × 7.65 × 4.78 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.68 mm7.65 mm1.73 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3475370229
Side View
Table 57.0%Crown 36°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €2,542 EUR|Low: €346 EUR|High: €3,187 EUR|Avg: €1,048 EUR|-20.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 13€346 EUR
Retailer 12€387 EUR
Retailer 7€402 EUR
Retailer 4€429 EUR
Retailer 11€429 EUR
Retailer 5€554 EUR
Retailer 10€559 EUR
Retailer 8€705 EUR
Retailer 2€709 EUR
Retailer 15€722 EUR
Retailer 6€909 EUR
Retailer 14€1,369 EUR
Retailer 3€1,520 EUR
Retailer 9€1,746 EUR
Do Amore Diamonds€2,542 EUR

42 data points across 15 retailers

16 retailers€346 EUR to €1,746 EUR

Retailer 1
-
€346 EUR
$386 USD
Price last confirmed 9 days ago
A
Retailer 2
-
€346 EUR
$386 USD
View
Retailer 3
-
€387 EUR
$432 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€402 EUR
$449 USD
View
Final sale: no returns
A
Retailer 5
-
€429 EUR
$479 USD
View
Retailer 6
-
€429 EUR
$479 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€554 EUR
$619 USD
View
A
Retailer 8
-
€559 EUR
$625 USD
View
B+
Retailer 9
-
€705 EUR
View
B+
Retailer 10
-
€709 EUR
£624 GBP
View
B+
Retailer 11
-
€722 EUR
$807 USD
View
Retailer 12
-
€909 EUR
$1,015 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
€1,369 EUR
$1,530 USD
View
Retailer 14
-
€1,520 EUR
$1,698 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
€1,746 EUR
£1,536 GBP
View
Most Expensive
Do Amore Diamonds
34-DB103-108 · Oct 31
€2,542 EUR
$2,840 USD
View
Price under review
15 more retailers have this diamond
Prices start from €346 EURSave up to €1,401 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.73ct Round
€346 EUR